/* ========================================== */
/* 🌐 Global: Reset & Global Styles           */
/* ========================================== */
* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  overflow-y: scroll; 
}

:root {
  --link-color: #6cf;          
  --primary-btn: #2563eb;      
  --primary-btn-hover: #1d4ed8;
  --border-color: #2a2a2a;
  --card-hover-border: #444;   

  --interactive-border: #546987 ; /* 交互状态（选中、聚焦）的边框色（莫兰迪蓝） */
  --inactive-border: #333;       /* 未交互状态的边框色 */
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #0f0f0f;
  color: #e8e8e8;
  line-height: 1.5;
  min-height: 100vh;
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #0f0f0f; }
::-webkit-scrollbar-thumb { background: #333; border-radius: 4px; }

/* ========================================== */
/* 📐 Layout: 主布局结构 (响应式)                */
/* ========================================== */
.app-layout {
  display: flex;
  width: 100%;
  max-width: 1600px; /* 🌟 宽屏居中的限制 */
  margin: 0 auto;
  padding: 2rem 1.5rem;
  gap: 2rem;
  align-items: flex-start;
}

/* 侧边栏基础样式 */
.sidebar {
  width: 280px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: #151515;
  padding: 1.2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  /* 🌟 修复滚动条：不要强制 auto，高度自适应 */
  position: sticky;
  top: 2rem;
  height: fit-content;
  max-height: calc(100vh - 4rem);
}

/* 主内容区 */
.main-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ------------------------------------------ */
/* 响应式断点调整                              */
/* ------------------------------------------ */

/* 💻 中屏/窄屏 PC (打通侧边栏，固定在左侧) */
@media (max-width: 1200px) {
  .app-layout {
    padding: 0;
    max-width: none;
  }
  
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    max-height: 100vh;
    width: 260px;
    border-radius: 0;
    border: none;
    border-right: 1px solid #2a2a2a;
    padding: 1.5rem 1rem;
    z-index: 100;
    background: #111;
  }

  .main-content {
    margin-left: 260px;
    padding: 2rem 1.5rem;
  }
}

/* 📱 移动端 (< 768px) */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    width: 280px;
    box-shadow: 10px 0 30px rgba(0,0,0,0.8);
  }
  
  /* 假设 JS 会加一个 open 类来展开 */
  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding: 1rem;
  }
  
  .mobile-topbar {
    display: flex !important; /* 移动端显示顶栏 */
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
  }
}

/* ========================================== */
/* 📄 Sidebar Content (侧边栏内部元素)          */
/* ========================================== */
.sidebar-header h1 {
  font-size: 0.9rem; 
  color: #fff;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  word-break: break-word;
}

.search-box input {
  width: 100%;
  padding: 0.5rem 0.8rem;
  background: #1e1e1e;
  border: 1px solid #333;
  color: #fff;
  border-radius: 8px;
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.2s;
}
.search-box input:focus { border-color: var(--primary-btn); }

/* 针对 Webkit 浏览器（Chrome, Safari, Edge）的搜索框清除按钮 */
.search-box input[type="search"]::-webkit-search-cancel-button {
  -webkit-appearance: none;
  height: 14px;
  width: 14px;
  /* 使用一个暗灰色的 SVG 叉号 */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='18' y1='6' x2='6' y2='18'%3E%3C/line%3E%3Cline x1='6' y1='6' x2='18' y2='18'%3E%3C/line%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  cursor: pointer;
  opacity: 0.6; /* 默认半透明 */
  transition: opacity 0.2s;
}

/* 鼠标悬停时让它变亮一点，提示可以点击 */
.search-box input[type="search"]::-webkit-search-cancel-button:hover {
  opacity: 1;
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stats-row {
  display: flex;
  justify-content: flex-end; /* 靠右对齐 */
  align-items: center;
  font-size: 0.65rem;
  padding-right: 0.6rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #2a2a2a;
}

/* 底部容器 */
.sidebar-footer {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-top: 1rem;
  margin-top: auto; /* 推到最底部 */
  background: #1c1c1c;
  border-radius: 12px;
  padding: 0.8rem;
}

.repo-link {
  color: #888;
  display: flex;
  align-items: center;
  gap: 0;
  white-space: nowrap; 
  overflow: hidden;
  font-size: 0.7rem;
}

.repo-link a {
  color: var(--link-color);
  text-decoration: none;
  margin-left: 0.3rem; 
  transition: opacity 0.2s;
  text-overflow: ellipsis; 
  overflow: hidden;
}

.repo-link a:hover { text-decoration: underline; opacity: 0.8; }

.footer-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center; /* 让图标在自己格子里居中 */
  width: 16px; 
  height: 16px;
  margin-right: 2px; /* 图标和后面文字的距离 */
  font-size: 1em;
}


#open-disclaimer-btn { color: #b4a57a; cursor: pointer; transition: color 0.2s; }
#open-disclaimer-btn:hover { color: #d4c59a; }
/* 下载量徽章：右对齐，单独一行 */
.downloads-badge {
  font-size: 0.65rem;
  color: #999;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  display: block;
  width: fit-content;
  margin-left: auto; /* 靠右 */
  margin-top: 0.5rem;
  text-align: center;
}
/* 🌟 骨架屏加载时，强制隐藏真实元素 */
.skeleton-hide {
  display: none !important;
}


.mobile-topbar { display: none; }
#mobile-menu-btn {
  background: #252525; border: 1px solid #444; color: #fff;
  padding: 0.4rem 0.8rem; border-radius: 6px; cursor: pointer; font-size: 0.85rem;
}



/* ========================================== */
/* 🧭 Nav: 导航区 (极简裸对钩 + 莫兰迪蓝)       */
/* ========================================== */
.nav-section { 
  display: flex; 
  flex-direction: column; 
  gap: 0.6rem; 
}

.nav-label { 
  font-size: 0.6rem; 
  color: #888; 
  text-transform: uppercase; 
  letter-spacing: 1px; 
  font-weight: 700; 
  margin-bottom: 0.2rem; /* 🌟 新增：标题和下方按钮留点缝隙 */
}

.nav-buttons { 
  display: flex; 
  flex-direction: row; 
  flex-wrap: wrap; 
  gap: 0.5rem; 
}

/* 🌟 按钮本体 */
.nav-btn { 
  background: #1e1e1e;
  border: 1px solid #333;
  color: #ccc;
  padding: 0.35rem 0.4rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.65rem;
  transition: all 0.2s ease;
  font-family: inherit;
  font-weight: 600;
  width: auto;
  display: inline-flex;
  align-items: center;
  text-align: left;
  gap: 0.3rem;
  min-width: max-content;
}

.nav-btn:hover { 
  background: #2a2a2a; 
  border-color: #444;
}

/* 🌟 选中时的按钮状态 */
.nav-btn.active { 
  background: #1e1e1e !important; 
  border-color: var(--interactive-border) !important; 
  color: #e8e8e8 !important; /* 🌟 文字保持这个颜色，不跟边框变 */
}

/* 🌟 未选中时的占位小框（暗色空心） */
.nav-btn::before {
  content: "";
  display: inline-block;
  width: 12px; 
  height: 12px;
  border: 1px solid #444; 
  border-radius: 3px; 
  background: transparent; 
  flex-shrink: 0;
  transition: all 0.2s ease;
  
  -webkit-mask-image: none !important;
  mask-image: none !important;
}

/* 🌟 选中时：保留 1px 的物理空间，但变透明，用遮罩抠出对钩 */
.nav-btn.active::before {
  width: 12px !important;  /* 锁死宽度 */
  height: 12px !important; /* 锁死高度 */
  border: 1px solid transparent !important; /* 边框不消失，只变透明，稳住物理占位 */
  background-color: var(--interactive-border) !important;
  
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E") !important;
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E") !important;
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
}

/* 🌟 弱化数字 */
.nav-btn span {
  font-weight: 600; 
  font-size: 0.65rem; 
  color: #666; 
  opacity: 1; /* 把原本内联的透明度移到这里 */
  
  /* 🌟 核心：锁死宽度，保证 4 位数(1639)也放得下且不跳动 */
  display: inline-block;
  width: 34px;       /* 这个宽度刚好够放 (1008) */
  text-align: right; /* 数字靠右对齐，显得整齐 */
  margin-left: auto; /* 让数字自动推到按钮的最右侧 */
  flex-shrink: 0;    /* 防止被文字挤压变形 */
}
.nav-btn.active span {
  color: var(--interactive-border) !important;
  opacity: 1 !important; /* 关键：去把透明度干掉 */
}

.nav-indicator { display: none !important; }



/* ------------------------------------------ */
/* 🎛️ Sort Box (排序区)                        */
/* ------------------------------------------ */
.sort-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid #2a2a2a;
}

.sort-label {
  font-size: 0.75rem;
  color: #888;
  font-weight: 600;
  white-space: nowrap;
}

.sort-select {
  flex: 1;
  padding: 0.5rem 0.8rem;
  background: #1e1e1e;
  border: 1px solid var(--inactive-border);
  color: #fff;
  border-radius: 8px;
  font-size: 0.8rem;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
}

/* ========================================== */
/* 🎴 Card: Card Grid (宽屏最高 5 列)          */
/* ========================================== */
.grid {
  display: grid !important; 
  /* 🌟 限制最大 5 列，最小宽度 200px，自适应 */
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)) !important;
  gap: 1.2rem; width: 100%; align-items: start;
}

.card {
  background: #181818; 
  border: 1px solid transparent; /* 🌟 改成透明，保留 1px 占位，防止跳动 */
  border-radius: 10px; 
  padding: 0rem;
  transition: border-color 0.3s ease, box-shadow 0.6s cubic-bezier(0.25, 0.1, 0.25, 1), background 0.3s ease;
  display: flex; flex-direction: column; position: relative; min-width: 0; width: 100%; height: fit-content;
}

/* 🌟 用绝对定位的伪元素画边框，层级永远最高，绝不被图片遮挡 */
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 10px; /* 必须和卡片圆角一致 */
  pointer-events: none;
  z-index: 20; /* 高于图片的 z-index */
  border: 1px solid #2a2a2a; /* 常态边框颜色 */
  transition: border-color 0.3s ease;
}

.card:hover { 
  background: #1e1e1e;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 
              inset 0 0 24px rgb(0 0 0 / 50%),
              0 15px 35px rgba(0, 0, 0, 0.6),
              0 0 20px rgba(37, 99, 235, 0.1);
  z-index: 10;
}

/* hover 时改变伪元素的边框颜色 */
.card:hover::after {
  border-color: #666;
}

.card.hide { display: none !important; }
.card-badge {
  position: absolute; z-index: 20; pointer-events: none; text-transform: uppercase;
  top: 0.6rem; left: 0.6rem; background: rgba(0, 0, 0, 0.65); backdrop-filter: blur(4px); 
  color: #e0e0e0; font-size: 0.7rem; padding: 0.25rem 0.6rem; border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.15); font-weight: 600; letter-spacing: 0.5px;
}


/* ------------------------------------------ */
/* 图片区与 Mask 遮罩动画                     */
/* ------------------------------------------ */
.card-image-wrap {
  width: 100%; aspect-ratio: 3 / 4; position: relative;
  border-radius: 10px 10px 0 0; overflow: hidden; margin-bottom: 0.6rem; background: #151515; 
}

.card-image-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 15;
  box-shadow: inset 0 0 0 transparent; /* 默认无阴影 */
  
  border-radius: inherit;
  transition: box-shadow 0.6s cubic-bezier(0.25, 0.1, 0.25, 1),
}

.card:hover .card-image-wrap::after {
  box-shadow: inset 0 0 24px rgb(0 0 0 / 33%);
}

.preview { 
  width: 100%; 
  height: 100%; 
  object-fit: cover; 
  object-position: top center; 
  display: block; 
}



.preview-missing { background: #151515; display: block; width: 100%; height: 100%; mask-image: none !important; }
.preview-missing::after {
  content: "No Image"; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%); color: #444; font-size: 0.8rem; font-weight: 600;
}

.img-skeleton { background: #1a1a1a; }
.img-skeleton::before {
  content: ""; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: linear-gradient(135deg, transparent 30%, rgba(255, 255, 255, 0.08) 50%, transparent 70%);
  animation: skeleton-sweep-diagonal 1.5s infinite linear; z-index: 5; pointer-events: none;
}
@keyframes skeleton-sweep-diagonal {
  0% { transform: translate(-40%, -40%); }
  100% { transform: translate(40%, 40%); }
}
.is-loaded::before { animation: none; opacity: 0; transition: opacity 0.2s; }


.title-overlay {
  position: absolute; bottom: -2px; left: 0; right: 0; height: 45%;
  background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0) 100%);
  pointer-events: none; z-index: 5;
}
.image-bottom-info {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 0.8rem; z-index: 10;
  display: flex; flex-direction: column;
}
.image-bottom-info .card-title {
  font-size: 0.85rem; font-weight: 700; color: #fff; line-height: 1.3;
  word-break: break-word; text-shadow: 0 1px 3px rgba(0,0,0,0.8); margin-bottom: 0.2rem;
}
.image-bottom-info .card-category {
  font-size: 0.6rem; color: #aaa; font-weight: 600; letter-spacing: 0.5px;
  text-transform: uppercase; text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}

/* ------------------------------------------ */
/* Card Info                                  */
/* ------------------------------------------ */
.card-info { display: flex; flex-direction: column; flex: 1; min-width: 0; padding-left:0.6rem;padding-right:0.6rem;padding-bottom:0.6rem;}
.card-details { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 0.6rem; }
.detail-block { display: flex; flex-direction: column; gap: 0.2rem; }
.detail-label { color: #666; font-size: 0.65rem; text-transform: uppercase; font-weight: 600; }

.path-box, .trigger-box {
  display: block; padding: 0.4rem 0.6rem; border-radius: 6px; cursor: pointer;
  transition: background 0.15s ease; width: 100%; background: #252525; border: none;
}
.path-box:hover, .trigger-box:hover { background: #333; }
.path-text, .trigger-text {
  font-family: ui-monospace, monospace; line-height: 1.5; word-break: break-word;
  display: block; color: #e8e8e8; font-size: 0.7rem; 
}
.path-box.copied, .trigger-box.copied { background: var(--primary-btn) !important; }
.path-box.copied .path-text, .trigger-box.copied .trigger-text { color: #fff !important; }
.trigger-list { display: flex; flex-direction: column; gap: 0.4rem; width: 100%; }
.trigger-empty { color: #555; font-size: 0.75rem; padding-left: 0.2rem; }

.card-actions {
  display: flex; justify-content: space-between; align-items: center;
  gap: 0.5rem; margin-top: auto; padding-top: 0.8rem; border-top: 1.1px solid #383838;
  flex-wrap: wrap;
}
.action-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.3rem;
  background: #252525; color: #e8e8e8 !important; padding: 0.4rem 0.6rem;
  border-radius: 6px; border: 1px solid #333; transition: all 0.15s ease;
  text-decoration: none !important; font-size: 0.75rem; font-weight: 600;
  white-space: nowrap; line-height: 1.2; flex: 1; text-align: center;cursor:pointer;
}
.action-btn:hover { background: #333; border-color: #555; color: #fff !important; }
.action-btn.primary { background: var(--primary-btn); border-color: var(--primary-btn); color: #fff !important; }
.action-btn.primary:hover { background: var(--primary-btn-hover); border-color: var(--primary-btn-hover); }
.showcase-full-btn {
  width: 100%; background: #252525; border: 1px solid #333;
  color: #e8e8e8; padding: 0.4rem 0.6rem; border-radius: 6px;
  font-size: 0.75rem; font-weight: 600; cursor: pointer;
  display: flex; justify-content: center; align-items: center; gap: 0.4rem;
  transition: all 0.15s ease;
}
.showcase-full-btn:hover { background: #333; border-color: #555; color: #fff; }


/* ========================================== */
/* 🪟 Modal: All Modals                       */
/* ========================================== */
.modal-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.85); backdrop-filter: blur(8px);
  z-index: 10000; display: flex; align-items: center; justify-content: center;
}
.modal-content {
  background: #151515; border: 1px solid #2a2a2a; border-radius: 12px;
  width: 90%; max-width: 1200px; height: 85vh;
  display: flex; flex-direction: column; box-shadow: 0 20px 50px rgba(0, 0, 0, 0.9);
  overflow: hidden;
}
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.5rem; border-bottom: 1px solid #2a2a2a; background: #1a1a1a;
}
.modal-header h3 { margin: 0; font-size: 1.1rem; color: #fff; }
.close-btn {
  background: transparent; border: none; color: #888; font-size: 1.8rem;
  cursor: pointer; transition: color 0.2s; line-height: 1;
}
.close-btn:hover { color: #fff; }
/* 1. 锁死弹窗的 Body，让它不能无限膨胀 */
.modal-body {
  padding: 1.5rem !important;
  display: flex !important;
  flex-direction: column !important;
  flex: 1 !important;
  min-height: 0 !important;
  overflow: hidden !important;
}

#dataset-modal .modal-body {
  padding-top: 0.8rem !important;
}

.viewer-controls {
  display: flex; align-items: center; gap: 1rem; font-size: 0.9rem; color: #aaa; margin-bottom: 0.5rem;
}
.viewer-controls select {
  background: #252525; color: #fff; border: 1px solid #333;
  padding: 0.5rem 1rem; border-radius: 6px; font-size: 0.9rem; outline: none; cursor: pointer; font-family: inherit;
}

/* ------------------------------------------ */
/* Grid View in Modal                         */
/* ------------------------------------------ */

#grid-view-container {
  display: flex !important;
  flex-direction: column !important;
  flex: 1 !important;
  min-height: 0 !important;
  overflow: hidden !important;
}

/* 🌟 1. 网格容器：只负责分配空间和滚动，绝不碰内部对齐 */
#grid-view {
  display: grid;
  flex: 1 !important;
  min-height: 0 !important;
  overflow-y: auto !important;
  
  /* 列宽自适应，最多 8 列，最少 120px */
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  
  /* 🌟 核心：强制 3 行等分高度，多一个像素都不给 */
  grid-template-rows: repeat(3, 1fr) !important;
  gap: 0.8rem;
  height: 100%;
  
  /* 彻底干掉内边距，让图片紧贴左侧 */
  padding: 0 !important; 
  margin: 0 !important;
  align-content: start !important; 
}

#grid-view-container[style*="display: none"] {
  display: none !important;
}

/* 🌟 2. 每一个图片格子：按高度撑开，保持 3:4 靠左 */
.grid-thumb-container {
  /* 关键：高度占满那一格，宽度根据 3:4 自动缩放 */
  height: 100%;
  width: auto;
  max-width: 100%;
  aspect-ratio: 3 / 4; 
  cursor: pointer;
  background: #1a1a1a;
  border-radius: 6px;
  overflow: hidden;
  position: relative;
  margin: 0 !important;
  padding: 0 !important;
}

/* 图片绝对定位填充 */
.grid-thumb {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  opacity: 0; /* 🌟 恢复 0，防止图片没加载出来时显示破裂的图标 */
}

/* 图片加载完成后的状态 */
.grid-thumb.loaded { 
  opacity: 1; 
}

.grid-thumb-container:hover .grid-thumb { filter: brightness(1.15); }

/* 悬浮边框阴影效果 */
.grid-thumb-container::after {
  content: ""; position: absolute; inset: 0; border-radius: 6px;
  box-shadow: inset 0 0 0 1px #2a2a2a; transition: box-shadow 0.15s ease;
  pointer-events: none; z-index: 10;
}
.grid-thumb-container:hover::after { box-shadow: inset 0 0 0 2px var(--primary-btn); }

/* 分页器绝对底端 */
#grid-pagination {
  flex-shrink: 0 !important;
  background: #151515 !important;
  z-index: 999 !important;
  position: relative !important;
}

#select-container > select {
  font-size: 0.7rem;
  padding: 0.25rem 0.5rem;
  font-weight: 600;
}

#select-container > label {
  font-size: 0.7rem;
}

#back-to-grid {
  background: #333;
  color: #fff;
  border: none;
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.7rem; /* 建议补个字号，和旁边的下拉框更搭 */
  transition: background 0.2s; /* 加个悬浮过渡更舒服 */
}

#back-to-grid:hover {
  background: #444; /* 鼠标移上去稍微亮一点 */
}

/* ------------------------------------------ */
/* Detail View in Modal                       */
/* ------------------------------------------ */
.viewer-display { display: flex; gap: 1.5rem; flex: 1; min-height: 0; }
.image-container {
  flex: 1.5; background: #0f0f0f; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; border: 1px solid #2a2a2a; position: relative;
}
.image-container img {
  max-width: 100%; max-height: 100%; object-fit: contain;
  display: none; position: relative; z-index: 2; 
}
.caption-container { display: flex; flex-direction: column; height: 100%; overflow: hidden; gap: 0.6rem; flex: 1; }
.caption-header { display: flex; justify-content: space-between; align-items: center; flex-shrink: 0; }
.caption-container label { font-size: 0.85rem; color: #666; text-transform: uppercase; font-weight: 600; }
#viewer-txt {
  flex: 1; margin: 0; padding: 1rem; background: #0f0f0f; border: 1px solid #2a2a2a;
  border-radius: 8px; font-family: ui-monospace, monospace; color: #d0d0d0; overflow-y: auto; white-space: pre-wrap;
}
#drag-tip {
  display: none; align-items: center; gap: 0.5rem; font-size: 0.7rem;
  color: #6cf; background: rgba(108, 204, 255, 0.1); padding: 0.4rem 0.6rem;
  border-radius: 6px; border: 1px dashed rgba(108, 204, 255, 0.3); flex-shrink: 0;
}
#params-panel { display: none; flex-direction: column; gap: 0.4rem; flex-shrink: 0; }
.param-row { display: flex; align-items: flex-start; gap: 0.5rem; font-size: 0.75rem; margin-bottom: 0.2rem; }
.param-key { color: #888; min-width: 55px; text-align: left; font-size: 0.65rem; font-weight: 500; flex-shrink: 0; line-height: 1.4; }
.param-value {
  color: #e0e0e0 !important; font-weight: 700 !important; border-radius: 4px;
  font-family: ui-monospace, monospace; font-size: 0.7rem; word-break: break-all; line-height: 1.4;
}
.lora-container { display: flex; flex-wrap: wrap; gap: 0.3rem; flex: 1; }


.nav-btn-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.6); color: #fff; border: 1px solid rgba(255,255,255,0.2);
  width: 40px; height: 40px; border-radius: 50%; font-size: 1.2rem; cursor: pointer; z-index: 10;
  display: flex; justify-content: center; align-items: center; transition: background 0.2s;
}
.nav-btn-arrow:hover { background: rgba(37, 99, 235, 0.9); }

@media (max-width: 800px) {
  .viewer-display { flex-direction: column; }
  .image-container { flex: 1; }
  .caption-container { flex: 0.5; }
}

/* Pagination */
.page-btn {
  background: #252525; border: 1px solid #333; color: #ccc; min-width: 32px; height: 32px;
  border-radius: 6px; display: flex; justify-content: center; align-items: center;
  cursor: pointer; font-size: 0.85rem; font-weight: 600; transition: all 0.15s ease; padding: 0 0.5rem;
}
.page-btn:hover:not(:disabled):not(.active) { background: #333; border-color: #555; color: #fff; }
.page-btn.active { background: var(--primary-btn); border-color: var(--primary-btn); color: #fff; }
.page-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.page-dots { color: #666; font-weight: 600; padding: 0 0.2rem; }

/* ------------------------------------------ */
/* Loading Skeleton (大图加载扫光)            */
/* ------------------------------------------ */
.viewer-loading-skeleton {
  position: absolute; 
  inset: 0; 
  /* 🌟 基础底色稍微提亮一点点，让呼吸对比更明显 */
  background-color: #1a1a1a; 
  overflow: hidden;
  display: flex; 
  align-items: center; 
  justify-content: center;
  z-index: 10; /* 保证挡住底部的图片防闪白 */
  /* 🌟 开启呼吸动画 */
  animation: skeleton-breath 1.5s ease-in-out infinite;
}

/* 🌟 文字颜色，配合呼吸效果 */
.viewer-loading-skeleton span {
  color: #888; 
  font-family: ui-monospace, monospace; 
  font-size: 0.9rem; 
  /* 文字也可以稍微跟着呼吸 */
  animation: text-breath 1.5s ease-in-out infinite;
}

/* 🌟 呼吸动画关键帧 */
@keyframes skeleton-breath {
  0%, 100% { background-color: #1a1a1a; }
  50% { background-color: #2a2a2a; } /* 变亮一点 */
}

@keyframes text-breath {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* ========================================== */
/* 🛠️ Utils：Usage Guide Markdown 样式          */
/* ========================================== */
.markdown-body { color: #d0d0d0; font-size: 0.9rem; line-height: 1.6; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 { color: #ffffff; margin-top: 1.5rem; margin-bottom: 0.8rem; font-weight: 700; }
.markdown-body h3 { border-bottom: none; }
.markdown-body p { margin-bottom: 1rem; }
.markdown-body img {
  max-width: 100%; height: auto; border-radius: 8px; border: 1px solid #333;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5); margin: 1rem 0; display: block;
}
.markdown-body code {
  background: #242424;
  color: #f8f8f8;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
  word-break: break-all;
}
.markdown-body pre {
  background: #1e1e1e; padding: 1rem; border-radius: 8px;
  overflow-x: auto; border: 1px solid #333; margin-bottom: 1rem; white-space: pre-wrap;
}
.markdown-body pre code { background: transparent; padding: 0; color: #e0e0e0; white-space: pre-wrap; }
.markdown-body a { color: #6cf; text-decoration: none; transition: color 0.2s; }
.markdown-body a:hover { text-decoration: underline; color: #99dfff; }
.markdown-body hr { border: none; border-top: 1px solid #333; margin: 2rem 0; }


/* 🌟 当弹窗打开时，锁死 body（不要锁死 html，否则影响内部滚动） */
body:has(#dataset-modal[style*="display: flex"]),
body:has(#usage-modal[style*="display: flex"]),
body:has(#disclaimer-modal[style*="display: flex"]) {
  overflow: hidden !important;
}

/* 🌟 强制让这三个弹窗的遮罩层接管鼠标滚动，防止滚动穿透（关键） */
#dataset-modal,
#usage-modal,
#disclaimer-modal {
  overflow-y: auto !important; 
  overscroll-behavior: contain; /* 防止滚到底部时带动主页面 */
}

/* 🌟 确保 Usage 弹窗的内容区可以顺畅滚动 */
#usage-modal-body {
  overflow-y: auto !important;
  flex: 1; /* 确保它占满剩余空间 */
}

.md-img-wrapper {
  position: relative;
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  margin: 1rem 0;
  background: #1a1a1a; /* 骨架底色 */
}

/* 骨架扫光动画 (复用原有的) */
.md-img-wrapper.img-skeleton::before {
  content: ""; 
  position: absolute; 
  top: -50%; left: -50%; width: 200%; height: 200%;
  background: linear-gradient(135deg, transparent 30%, rgba(255, 255, 255, 0.08) 50%, transparent 70%);
  animation: skeleton-sweep-diagonal 1.5s infinite linear; 
  z-index: 5; 
  pointer-events: none;
}

/* 图片本体 */
.md-img-wrapper img {
  display: block;
  max-width: 100%;
  height: auto;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.md-img-wrapper img.loaded {
  opacity: 1;
}

/* ========================================== */
/* 🪄 Animations:                            */
/* ========================================== */
@keyframes pulse {
  0% { opacity: 0.6; }
  50% { opacity: 1; }
  100% { opacity: 0.6; }
}

/* transform 动画 JS 中 onmouseenter()也有，避免覆盖双保险也加入 */
.preview.reveal-img {
  opacity: 0 !important;
  transition: opacity 0.5s ease-in-out, transform 0.4s cubic-bezier(0.25, 0.1, 0.25, 1) !important;
}

.preview.reveal-img.loaded {
  opacity: 1 !important;
}

#grid-view .reveal-img {
  transition: none !important;
  opacity: 1 !important;
}

#grid-view .reveal-img:not(.loaded) {
  opacity: 0 !important;
}